{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00997_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Fort Lupton, Colorado | 1917 | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.08224,-104.81021 +/-100m); p1__3 (tier 4, 40.08224,-104.81021 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971917:00997_1917-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fort Lupton, Colorado | 1917 | sanborn00997_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4773.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-20T23:30:20Z","modified":"2026-09-20T23:30:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971917:00997_1917-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971917:00997_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"301.0,1913.0 452.0,1913.0 1022.0,1913.0 1184.8,1913.0 1186.3,1544.5 1193.4,0.0 1191.6,0.0 0.0,0.0 -0.0,1913.0 301.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971917:00997_1917-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.81173,40.082338]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.811711,40.080239]}}]}}]}